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Pressure check tool and method of operating the same

  • US 9,446,636 B2
  • Filed: 02/26/2014
  • Issued: 09/20/2016
  • Est. Priority Date: 02/26/2014
  • Status: Active Grant
First Claim
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1. A method for obtaining data from a tire pressure monitoring (TPM) sensor, the TPM sensor disposed at a vehicle wheel, the vehicle having a receiver disposed therein, the receiver being physically separate from the TPM sensor, comprising:

  • at a portable tool;

    requesting and receiving vehicle identification information from a label affixed or attached to a vehicle;

    based upon the vehicle identification information, determining one or more tire pressure sensor activation/trigger protocols and one or more Recommended Cold Pressures, the protocols effective to wake the TPM sensor from a sleep state to an active state;

    using the determined one or more tire pressure sensor activation/trigger protocols to activate one or more tire pressure monitoring (TPM) sensors at the vehicle;

    responsively receiving tire pressure information from the activated TPM sensors;

    determining by a controller of the portable tool whether the tire pressure information falls below any of the one or more of the Recommended Cold Pressures;

    wherein the tool interacts exclusively with the tire pressure monitor sensor and not the receiver of the vehicle.

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